Zimbra

Bring Together Email, Calendaring and Enterprise Applications

Zimbra Collaboration is the world’s leading open source messaging and collaboration solution, trusted by more than 5,000 companies and public sector customers, and over 500 million end users, in over 140 countries. Zimbra includes complete email, contacts, calendar, file-sharing and tasks, and can be accessed from the Zimbra Web client via any device. You can deploy Zimbra as a traditional on-prem install or through a Zimbra hosting provider.